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Phenyl trifluoromethanesulfonate

Also known as: Phenyl triflate, Phenol triflate, Trifluoromethanesulfonic acid phenyl ester, Trifluoromethylsulfonyloxybenzene

Phenyl trifluoromethanesulfonate (CAS 17763-67-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5F3O3S and a molecular weight of 226.17300 g/mol. Key properties include a boiling point of 99-100ºC60 mm Hg(lit.), a density of 1.396 g/mL at 25ºC(lit.) and a flash point of 71.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
17763-67-6
Jingsj CID
J-7139-6
Molecular Formula
C7H5F3O3S
Molecular Weight
226.17300 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point99-100ºC60 mm Hg(lit.)
Density1.396 g/mL at 25ºC(lit.)
Flash Point71.1 °C
Exact Mass225.99100
PSA51.75000
LogP2.99580
Vapor Pressure0.0862mmHg at 25°C
Refractive Indexn20/D 1.435(lit.)

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Phenyl trifluoromethanesulfonate?

The CAS number of Phenyl trifluoromethanesulfonate is 17763-67-6.

What are the molecular formula and molecular weight of Phenyl trifluoromethanesulfonate?

Phenyl trifluoromethanesulfonate has molecular formula C7H5F3O3S and molecular weight 226.17300 g/mol.

Is Phenyl trifluoromethanesulfonate hazardous?

Phenyl trifluoromethanesulfonate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Phenyl trifluoromethanesulfonate?

For Phenyl trifluoromethanesulfonate, Upstream Products: Trifluoromethanesulfonic anhydride, Phenol, N-Phenylbis(trifluoromethanesulfonimide); Downstream Products: 1-Phenylpyrrolidine, 1-Phenylpiperidine, 3-Benzoylpyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Phenyl trifluoromethanesulfonate (CAS 17763-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7139-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.